Tool steel and air-hardening steel
TL;DR
Tool steel and air-hardening steel - requires enrichment with adjacent possible narrative
Tool steel and air-hardening steel - requires enrichment
What Had To Exist First
Preceding Inventions
Required Knowledge
- Steel
What This Enabled
Inventions that became possible because of Tool steel and air-hardening steel:
Biological Patterns
Mechanisms that explain how this invention emerged and spread: